Patent application number | Description | Published |
20090067578 | X-RAY TUBE AND METHOD FOR DETERMINATION OF FOCAL SPOT PROPERTIES - X-ray tube and method for determination of focal spot properties. The invention relates to an x-ray tube ( | 03-12-2009 |
20090154649 | X-RAY TUBE WHOSE ELECTRON BEAM IS MANIPULATED SYNCHRONOUSLY WITH THE ROTATIONAL ANODE MOVEMENT - It is described an X-ray tube ( | 06-18-2009 |
20100046712 | MULTIPLE FOCAL SPOT X-RAY TUBE WITH MULTIPLE ELECTRON BEAM MANIPULATING UNITS - A multiple focal spot X-ray tube ( | 02-25-2010 |
20100172475 | FAST DOSE MODULATION USING Z-DEFLECTION IN A ROTARING ANODE OR ROTARING FRAME TUBE - A fast dose modulation using a z-deflection in a rotating anode or a rotating frame tube, where the electron beam is deflected from a first focal spot region to a second focal spot region being formed on the anode, wherein only the electromagnetic beam generated in the first focal spot region contributes to the useful electromagnetic exposure beam, wherein the second focal spot region is designed to avoid emission of electromagnetic beams into the direction of a useful electromagnetic beam direction. | 07-08-2010 |
20100189211 | X-RAY SOUCE FOR MEASURING RADIATION - Cone-beamCT scanners with large detector arrays suffer from increased scatter radiation. This radiation may cause severe image artefacts. According to an exemplary embodiment of the present invention, an examination apparatus is provided which directly measures the scatter radiation. The measurement is performed by utilizing an X-raytube with an anode disk ( | 07-29-2010 |
20100310038 | COMPUTER TOMOGRAPHY APPARATUS - The invention relates to a computer tomography system comprising a support structure, more than one source of radiation, a detector array, and a grid, wherein the support structure defines a space to accommodate an object of interest which can be moved through the ring. The object of interest is radiographed by means of the sources of radiation which are located at the perimeter of the support structure and are movable along said perimeter. The sources are arranged displaced behind each other. The detector array is located at the perimeter of the support structure opposite the sources of radiation, and is movable simultaneously with the sources along the perimeter of the ring. The grid is arranged on the side of the detector array, orientated to the sources, to focus detector modules arranged on the detector array. By means of said CT system, improved radiographic images can be achieved from the object of interest. | 12-09-2010 |
20110038463 | X-RAY TUBE WITH PASSIVE ION COLLECTING ELECTRODE - An X-ray tube ( | 02-17-2011 |
20110051895 | X-RAY SYSTEM WITH EFFICIENT ANODE HEAT DISSIPATION - X-ray systems for use in high-resolution imaging applications with an improved power rating are provided. An X-ray source comprises at least one integrated actuator unit ( | 03-03-2011 |
20110135066 | MULTI-SEGMENT ANODE TARGET FOR AN X-RAY TUBE OF THE ROTARY ANODE TYPE WITH EACH ANODE DISK SEGMENT HAVING ITS OWN ANODE INCLINATION ANGLE WITH RESPECT TO A PLANE NORMAL TO THE ROTATIONAL AXIS OF THE ROTARY ANODE AND X-RAY TUBE COMPRISING A ROTARY ANODE WITH SUCH A MULTI-SEGMENT ANODE TARGET - The present invention refers to X-ray tubes for use in imaging applications with an improved power rating and, more particularly, to a multi-segment anode target ( | 06-09-2011 |
20110222662 | X-RAY TUBE WITH TARGET TEMPERATURE SENSOR - An X-ray tube ( | 09-15-2011 |
20110222664 | X-RAY ANODE - The application describes a rotatable anode for an X-ray tube, wherein the anode comprises a first unit ( | 09-15-2011 |
20110228905 | ROTATABLE ANODE AND X-RAY TUBE COMPRISING A LIQUID HEAT LINK - In a rotatable anode ( | 09-22-2011 |
20110235784 | COMPENSATION OF ANODE WOBBLE FOR X-RAY TUBES OF THE ROTARY-ANODE TYPE - The present invention refers to X-ray tubes of the rotary-anode type for generating a fan beam of X-rays. More particularly, the invention is concerned with a system and method for compensating a class of system-related disturbances of the focal spot position FS on a target area AT of the rotating anode RA and particularly for compensating the anode wobble in an X-ray tube XT of the aforementioned type, which occurs as a periodically wobbling inclination angle of the anode disk's rotational plane with respect to an ideal rotational plane (z=0) which is oriented normal to the rotational axis z of the rotary shaft S on which the anode disk RA is inclinedly mounted due to an inaccuracy during its production process. For this purpose, the electron beam generated by a thermoionic or other type of electron emitter of the tube's cathode C and thus the focal spot position FS on a target area AT of the anode disk's X-ray generating surface (anode target) are steered such that the focal spot FS stays within the plane P | 09-29-2011 |
20110235785 | AUXILIARY GRID ELECTRODE FOR X-RAY TUBES - The present invention refers to an X-ray tube of the rotary-anode type which comprises at least one temporarily negatively biased auxiliary grid electrode ( | 09-29-2011 |
20110280376 | BEARING WITHIN AN X-RAY TUBE - The invention describes an X-ray tube for generating X-radiation, wherein the tube comprises a rotary structure, which comprises a rotating anode, a stationary structure for rotatably supporting the rotary structure, a hydrodynamic bearing, which is arranged between the rotary structure and the stationary structure, wherein the bearing comprises a gap between the rotary structure and the stationary structure, means for stabilising the dimensions of the gap with respect to distortions because of thermo-mechanical causes. A further aspect, which is described, is a method for manufacturing the tube according to the invention, wherein means for stabilising the dimensions of the gap are arranged. It is also described an X-ray system for diagnostic use comprising the tube according to the invention, wherein the X-ray system is adapted to stabilise the dimensions of the gap. Another aspect of the specification is a method for manufacturing the X-ray system. | 11-17-2011 |
20120039443 | METHOD AND DEVICE FOR LOAD DEPENDENT RESIZING OF A FOCAL SPOT OF AN X-RAY GENERATING DEVICE - In an X-ray generating device ( | 02-16-2012 |
20120207269 | X-RAY GENERATING DEVICE WITH ELECTRON SCATTERING ELEMENT AND X-RAY SYSTEM - The present invention relates to X-ray generating technology in general. Providing X-ray generating device internal voltage sources or potentials may help reduce necessary feed-throughs into an evacuated envelope of an X-ray generating device. Consequently, an X-ray generating device comprising an electron scattering element is presented. According to the present invention, an X-ray generating device is provided, comprising an electron emitting element | 08-16-2012 |
20120269321 | SWITCHING OF ANODE POTENTIAL OF AN X-RAY GENERATING DEVICE - The present invention relates to X-ray generating technology in general. Providing X-radiation having multiple photon energies may help differentiating tissue structures when generating X-ray images. Consequently, an X-ray generating device that allows the switching of a potential of an electron collecting element versus an electron emitting element for providing different energy modes is presented. According to the present invention, an X-ray generating device is provided, comprising an electron emitting element ( | 10-25-2012 |
20130070903 | BALANCING OF THE ROTARY ANODE OF AN X-RAY TUBE - The invention relates to an X-ray tube ( | 03-21-2013 |
20140153696 | GENERATION OF MULTIPLE X-RAY ENERGIES - The present invention relates to the generation of multiple X-ray energies in an X-ray tube. In order to provide an X-ray tube capable of generating multiple-energy X-ray radiation with a minimized design setup and an improved switching capacity, a multiple-energy X-ray tube ( | 06-05-2014 |
20140307853 | PERIODIC MODULATION OF THE X-RAY INTENSITY - The present invention relates to modulating a generated X-ray beam. In order to provide an increased, i.e. faster, periodic modulation of the X-ray intensity, an anode disk ( | 10-16-2014 |